CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS and IOS XE (Router Operating System) (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Software Smart Install. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:
Memory leak in the Smart Install client implementation in Cisco IOS 12.2 and 15.0 through 15.2 and IOS XE 3.2 through 3.8 allows remote attackers to cause a denial of service (memory consumption) via crafted image-list parameters, aka Bug ID CSCuy82367.
The weakness was disclosed 09/28/2016 with Cisco as cisco-sa-20160928-smi as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2016-6385 since 07/26/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 316039 (Cisco IOS Software Smart Install Memory Leak Vulnerability (cisco-sa-20160928-smi)).
Upgrading eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting no vstack
. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Additional details are provided at tools.cisco.com. The entries 92251, 92252, 92253 and 92254 are pretty similar.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 864981
OpenVAS Name: Cisco IOS Software Smart Install Memory Leak Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Config: no vstack
Timeline
07/26/2016 🔍09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
09/28/2016 🔍
09/30/2016 🔍
10/05/2016 🔍
04/29/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20160928-smi
Organization: Cisco
Status: Confirmed
CVE: CVE-2016-6385 (🔍)
OVAL: 🔍
SecurityTracker: 1036914
SecurityFocus: 93203 - Cisco IOS and IOS XE Software CVE-2016-6385 Denial of Service Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍
See also: 🔍
Entry
Created: 09/30/2016 10:23Updated: 04/29/2019 10:56
Changes: 09/30/2016 10:23 (69), 04/29/2019 10:56 (11)
Complete: 🔍
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